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- Pyridinium chlorochromate absorbed on silicon gel is prepared and evaluated as a convenient oxidant.This reagent is easily prepared and very stable. 利用二氧化硅作载体,负载氯铬酸吡啶制备了一种新的载体氧化剂,研究了该氧化剂的氧化性。
- The synthesis and application of dipyridine chromium oxide and pyridinium chlorochromate was introduced,The reaction machanism of oxidation was also discussed. 我们对三氧化铬吡啶溶液中最具代表性的氧化剂三氧化铬二吡啶及三氧化铬吡啶盐酸盐的合成、应用及氧化机理作了一些探讨。
- pyridinium chlorochromate 氯铬酸吡啶
- Application of Pyridinium Salts to Organic Syntheses. 英文文献格式 WU; Pinga; WANG;etc.
- The preparation of pure pyridinium dichromate is described. 三氧化铬与吡啶反应制备吡啶重铬酸盐。
- Methylammonium chlorochromate adsorbed onsilica gel is described as a convenient reagent for efficientoxidation of benzoins into corresponding benzils. 介绍了氯铬酸甲铵/硅胶对苯偶姻体系的氧化反应合成相应的苯偶酰类化合物。
- A new reagent, trimethylammonium chlorochromate adsorbed on alumina , was described as a convenient reagent for the oxidation of alcohols and benzoins . 本文报道了氯铬酸三甲铵/氧化铝的制备方法及其对醇和苯偶姻类化合物的氧化反应。
- Currently there are several sorts of antibacterial polymers such as polymers containing heavy metal cations, pyridinium and quaternary ammonium salt polymers, and N-halamine . 在众多类型的抗菌高分子材料中,卤胺型的抗菌高分子材料由于其独有的可再生性能及广谱的抗菌性,受到学术界的广泛关注。
- Arecoline was synthesized from nicotinic acid by esterification, N-methylation to form pyridinium saltfollowed by reduction with NaBH4/HOAc in an overall yield of 53.6%. 烟酸经酯化、N-甲基化后在乙醇中用硼氢化钠-乙酸体系进行还原,得到槟榔碱,总收率53。6%25。
- One new prodrug of dihydropyridine pyridinium salt was synthesized via acylation 、 acylamination、 quaterisation and reduction with nicotinic acid as starting material. 以烟酸为原料,经酰氯化、酰胺化、季胺化和还原得到二氢吡啶-吡啶?盐类前药1个。
- The study of optimum conditions of the colour reaction of scandium with chrome azurol S in the presence of tetradecyl pyridinium chloride and emulgent OP is reported in this paper. 研究了在氯化十四烷基吡啶及乳化剂OP存在下,铬天青S与钪显色反应的适宜条件。
- The research advance of synthesis of various nitrogenous chiral ionic liquids such as imidazolium, ammonium, pyridinium, etc. and its application in asymmetric catalytic reactions was summarized. 摘要综述咪唑鎓盐、季铵盐和吡啶鎓盐等含氮手性离子液体的合成及其在不对称催化反应中的应用研究进展。
- The floatation separation behaviuor of Pd2+ by KBr-cetyl pyridinium bromide system in the presence of NaNO3 and the conditions for the separation of Pd2+ from other metal ions were studied. 研究了硝酸钠存在下,溴化十六烷基吡啶-溴化钾体系浮选分离钯的行为及与一些金属离子分离的条件。
- Keywords styryl pyridinium;photoemulsion;stencil; 苯乙烯基吡啶盐;感光胶;模版;
- Pyridine hydrobromic acid;pyridinium bromide; 吡啶氢溴酸盐;
- Alkyl naphthyl methyl pyridinium chloride 烷基萘甲基氯化吡啶鎓
- 1- (4-pyridinio)pyridinium dichloride 双吡啶盐酸盐
- pyridinium molybdophosphate(PMP) [化] 钼磷酸吡啶┹
- Keywords ammonium chlorochromate;oxidation;1;2-diol; 氯化铵三氧化铬;氧化;邻二醇;
- pyridinium tungostophosphate(PWP) [化] 钨磷酸吡啶┹